• 2022-06-01
    which of following do not belong to pathogenic variations of the endogenous genes ( )
    A: gene amplification
    B: abnormal gene expression
    C: invasion of the foreign genes
    D: gene arrangement
    E: point mutation
  • C

    内容

    • 0

      Which of the following methods is not included in gene diagnosis? A: Gene targeting B: PCR C: Nucleic acid hybridization D: Gene chip

    • 1

      Minor changes of HA are called A: Gene mutation B: Gene reassortment C: Antigenic shift D: Antigenic drift

    • 2

      A complete set of genes of a given species<br/>called ( ) A: genome B: gene C: DNA D: chromosome cDNA

    • 3

      Some genes can be expressed in different ways to generate multiple gene products from a single segment of DNA.

    • 4

      Appropriate regulation of different genes is accomplished by different combinations of a limited repertoire of transcription factors at each gene, a mechanism referred to as _____________________.